Yokomo Y4-S4C Aluminum Shock O-Ring Cap and Adjust Nut Kit  [Y4-S4C]

Fine Tuning with Yokomo Y4-S4C Parts

For racers focused on setup, the Yokomo Y4-S4C Aluminum O-Ring Cap and Adjust Nut Kit gives a compact way to refine shock behaviour. Built for big bore shocks, the machined aluminum construction balances strength and low mass for consistent track performance.

Boost Damping Control

The Y4-S4C package contains two O-ring caps, two adjust nuts and two cap nuts, covering the basic hardware needed for a clean rebuild. The laser-engraved Yokomo logo on the cap nut confirms factory-level finishing and tight tolerances for reliable adjustment repeatability.

Fitment and Typical Use

These parts are made to work with super low friction aluminum big bore shocks, making them a solid choice for fine-tuning suspension travel and handling. Whether you set up for club racing or weekend bashing, the components help preserve consistent shock action.